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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/bits/streambuf_iterator.h')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/bits/streambuf_iterator.h | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/bits/streambuf_iterator.h b/gcc-4.4.3/libstdc++-v3/include/bits/streambuf_iterator.h deleted file mode 100644 index d02b55534..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/bits/streambuf_iterator.h +++ /dev/null @@ -1,392 +0,0 @@ -// Streambuf iterators - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, -// 2006, 2007, 2009 -// Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** @file streambuf_iterator.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -#ifndef _STREAMBUF_ITERATOR_H -#define _STREAMBUF_ITERATOR_H 1 - -#pragma GCC system_header - -#include <streambuf> -#include <debug/debug.h> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - // 24.5.3 Template class istreambuf_iterator - /// Provides input iterator semantics for streambufs. - template<typename _CharT, typename _Traits> - class istreambuf_iterator - : public iterator<input_iterator_tag, _CharT, typename _Traits::off_type, - _CharT*, _CharT&> - { - public: - // Types: - //@{ - /// Public typedefs - typedef _CharT char_type; - typedef _Traits traits_type; - typedef typename _Traits::int_type int_type; - typedef basic_streambuf<_CharT, _Traits> streambuf_type; - typedef basic_istream<_CharT, _Traits> istream_type; - //@} - - template<typename _CharT2> - friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, - ostreambuf_iterator<_CharT2> >::__type - copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>, - ostreambuf_iterator<_CharT2>); - - template<bool _IsMove, typename _CharT2> - friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, - _CharT2*>::__type - __copy_move_a2(istreambuf_iterator<_CharT2>, - istreambuf_iterator<_CharT2>, _CharT2*); - - template<typename _CharT2> - friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, - istreambuf_iterator<_CharT2> >::__type - find(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>, - const _CharT2&); - - private: - // 24.5.3 istreambuf_iterator - // p 1 - // If the end of stream is reached (streambuf_type::sgetc() - // returns traits_type::eof()), the iterator becomes equal to - // the "end of stream" iterator value. - // NB: This implementation assumes the "end of stream" value - // is EOF, or -1. - mutable streambuf_type* _M_sbuf; - mutable int_type _M_c; - - public: - /// Construct end of input stream iterator. - istreambuf_iterator() throw() - : _M_sbuf(0), _M_c(traits_type::eof()) { } - - /// Construct start of input stream iterator. - istreambuf_iterator(istream_type& __s) throw() - : _M_sbuf(__s.rdbuf()), _M_c(traits_type::eof()) { } - - /// Construct start of streambuf iterator. - istreambuf_iterator(streambuf_type* __s) throw() - : _M_sbuf(__s), _M_c(traits_type::eof()) { } - - /// Return the current character pointed to by iterator. This returns - /// streambuf.sgetc(). It cannot be assigned. NB: The result of - /// operator*() on an end of stream is undefined. - char_type - operator*() const - { -#ifdef _GLIBCXX_DEBUG_PEDANTIC - // Dereferencing a past-the-end istreambuf_iterator is a - // libstdc++ extension - __glibcxx_requires_cond(!_M_at_eof(), - _M_message(__gnu_debug::__msg_deref_istreambuf) - ._M_iterator(*this)); -#endif - return traits_type::to_char_type(_M_get()); - } - - /// Advance the iterator. Calls streambuf.sbumpc(). - istreambuf_iterator& - operator++() - { - __glibcxx_requires_cond(!_M_at_eof(), - _M_message(__gnu_debug::__msg_inc_istreambuf) - ._M_iterator(*this)); - if (_M_sbuf) - { - _M_sbuf->sbumpc(); - _M_c = traits_type::eof(); - } - return *this; - } - - /// Advance the iterator. Calls streambuf.sbumpc(). - istreambuf_iterator - operator++(int) - { - __glibcxx_requires_cond(!_M_at_eof(), - _M_message(__gnu_debug::__msg_inc_istreambuf) - ._M_iterator(*this)); - - istreambuf_iterator __old = *this; - if (_M_sbuf) - { - __old._M_c = _M_sbuf->sbumpc(); - _M_c = traits_type::eof(); - } - return __old; - } - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 110 istreambuf_iterator::equal not const - // NB: there is also number 111 (NAD, Future) pending on this function. - /// Return true both iterators are end or both are not end. - bool - equal(const istreambuf_iterator& __b) const - { return _M_at_eof() == __b._M_at_eof(); } - - private: - int_type - _M_get() const - { - const int_type __eof = traits_type::eof(); - int_type __ret = __eof; - if (_M_sbuf) - { - if (!traits_type::eq_int_type(_M_c, __eof)) - __ret = _M_c; - else if (!traits_type::eq_int_type((__ret = _M_sbuf->sgetc()), - __eof)) - _M_c = __ret; - else - _M_sbuf = 0; - } - return __ret; - } - - bool - _M_at_eof() const - { - const int_type __eof = traits_type::eof(); - return traits_type::eq_int_type(_M_get(), __eof); - } - }; - - template<typename _CharT, typename _Traits> - inline bool - operator==(const istreambuf_iterator<_CharT, _Traits>& __a, - const istreambuf_iterator<_CharT, _Traits>& __b) - { return __a.equal(__b); } - - template<typename _CharT, typename _Traits> - inline bool - operator!=(const istreambuf_iterator<_CharT, _Traits>& __a, - const istreambuf_iterator<_CharT, _Traits>& __b) - { return !__a.equal(__b); } - - /// Provides output iterator semantics for streambufs. - template<typename _CharT, typename _Traits> - class ostreambuf_iterator - : public iterator<output_iterator_tag, void, void, void, void> - { - public: - // Types: - //@{ - /// Public typedefs - typedef _CharT char_type; - typedef _Traits traits_type; - typedef basic_streambuf<_CharT, _Traits> streambuf_type; - typedef basic_ostream<_CharT, _Traits> ostream_type; - //@} - - template<typename _CharT2> - friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, - ostreambuf_iterator<_CharT2> >::__type - copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>, - ostreambuf_iterator<_CharT2>); - - private: - streambuf_type* _M_sbuf; - bool _M_failed; - - public: - /// Construct output iterator from ostream. - ostreambuf_iterator(ostream_type& __s) throw () - : _M_sbuf(__s.rdbuf()), _M_failed(!_M_sbuf) { } - - /// Construct output iterator from streambuf. - ostreambuf_iterator(streambuf_type* __s) throw () - : _M_sbuf(__s), _M_failed(!_M_sbuf) { } - - /// Write character to streambuf. Calls streambuf.sputc(). - ostreambuf_iterator& - operator=(_CharT __c) - { - if (!_M_failed && - _Traits::eq_int_type(_M_sbuf->sputc(__c), _Traits::eof())) - _M_failed = true; - return *this; - } - - /// Return *this. - ostreambuf_iterator& - operator*() - { return *this; } - - /// Return *this. - ostreambuf_iterator& - operator++(int) - { return *this; } - - /// Return *this. - ostreambuf_iterator& - operator++() - { return *this; } - - /// Return true if previous operator=() failed. - bool - failed() const throw() - { return _M_failed; } - - ostreambuf_iterator& - _M_put(const _CharT* __ws, streamsize __len) - { - if (__builtin_expect(!_M_failed, true) - && __builtin_expect(this->_M_sbuf->sputn(__ws, __len) != __len, - false)) - _M_failed = true; - return *this; - } - }; - - // Overloads for streambuf iterators. - template<typename _CharT> - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, - ostreambuf_iterator<_CharT> >::__type - copy(istreambuf_iterator<_CharT> __first, - istreambuf_iterator<_CharT> __last, - ostreambuf_iterator<_CharT> __result) - { - if (__first._M_sbuf && !__last._M_sbuf && !__result._M_failed) - { - bool __ineof; - __copy_streambufs_eof(__first._M_sbuf, __result._M_sbuf, __ineof); - if (!__ineof) - __result._M_failed = true; - } - return __result; - } - - template<bool _IsMove, typename _CharT> - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, - ostreambuf_iterator<_CharT> >::__type - __copy_move_a2(_CharT* __first, _CharT* __last, - ostreambuf_iterator<_CharT> __result) - { - const streamsize __num = __last - __first; - if (__num > 0) - __result._M_put(__first, __num); - return __result; - } - - template<bool _IsMove, typename _CharT> - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, - ostreambuf_iterator<_CharT> >::__type - __copy_move_a2(const _CharT* __first, const _CharT* __last, - ostreambuf_iterator<_CharT> __result) - { - const streamsize __num = __last - __first; - if (__num > 0) - __result._M_put(__first, __num); - return __result; - } - - template<bool _IsMove, typename _CharT> - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, - _CharT*>::__type - __copy_move_a2(istreambuf_iterator<_CharT> __first, - istreambuf_iterator<_CharT> __last, _CharT* __result) - { - typedef istreambuf_iterator<_CharT> __is_iterator_type; - typedef typename __is_iterator_type::traits_type traits_type; - typedef typename __is_iterator_type::streambuf_type streambuf_type; - typedef typename traits_type::int_type int_type; - - if (__first._M_sbuf && !__last._M_sbuf) - { - streambuf_type* __sb = __first._M_sbuf; - int_type __c = __sb->sgetc(); - while (!traits_type::eq_int_type(__c, traits_type::eof())) - { - const streamsize __n = __sb->egptr() - __sb->gptr(); - if (__n > 1) - { - traits_type::copy(__result, __sb->gptr(), __n); - __sb->gbump(__n); - __result += __n; - __c = __sb->underflow(); - } - else - { - *__result++ = traits_type::to_char_type(__c); - __c = __sb->snextc(); - } - } - } - return __result; - } - - template<typename _CharT> - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, - istreambuf_iterator<_CharT> >::__type - find(istreambuf_iterator<_CharT> __first, - istreambuf_iterator<_CharT> __last, const _CharT& __val) - { - typedef istreambuf_iterator<_CharT> __is_iterator_type; - typedef typename __is_iterator_type::traits_type traits_type; - typedef typename __is_iterator_type::streambuf_type streambuf_type; - typedef typename traits_type::int_type int_type; - - if (__first._M_sbuf && !__last._M_sbuf) - { - const int_type __ival = traits_type::to_int_type(__val); - streambuf_type* __sb = __first._M_sbuf; - int_type __c = __sb->sgetc(); - while (!traits_type::eq_int_type(__c, traits_type::eof()) - && !traits_type::eq_int_type(__c, __ival)) - { - streamsize __n = __sb->egptr() - __sb->gptr(); - if (__n > 1) - { - const _CharT* __p = traits_type::find(__sb->gptr(), - __n, __val); - if (__p) - __n = __p - __sb->gptr(); - __sb->gbump(__n); - __c = __sb->sgetc(); - } - else - __c = __sb->snextc(); - } - - if (!traits_type::eq_int_type(__c, traits_type::eof())) - __first._M_c = __c; - else - __first._M_sbuf = 0; - } - return __first; - } - -_GLIBCXX_END_NAMESPACE - -#endif |